723 



Nissolia 179, aculeata 194, arborea 177. 80. 2, bicallosa 178. 9, fruti- 

 cosa 177. 8, glabrata 180, iiirsiita 177. 8. 9, microptera 178- 9. 80, 

 quiuata 181. 6, racemosa 177. 9, reticulata 182, retusa 180, robi- 

 niaefolia 190 , stipitata 189. 



Nostoc auisococcum 126. 



Notarisia 379 , capensis 379, iialica380, virginica 380. ^ 



Ochroma Lagopus 371. 



Odoutites luteola 316. 



Olea europaea 438. 581, Oleaster 581. 



Onosma stellulatum 446. 58. 



Opegrapha asteroidea, siderella 476. 



Opopanax Chironinin 450. 



Orchis acumiuata 435, fusca446, laxiflora 435, mascula 446, militaris 

 435. 40, Morio 435. 40. 8. 63. 7, provincialis 458, variegata 435. 40. 

 9. 67. 



Ormosia 405, acuta 405, dasycarpa 405. 6, minor 405, nitida 405. 



Ornitliogalum narboneiise 435 , saxatile 450. 



Orobus uiger448, pjrenaicus 466, variegatus 466, venuis 451. 



Orthotrichura auomaluiu 475. 



Orvala lamioides 438. 51. 6. 



Oscillatoria 113, alba 440, autuniualis 115, chthonoplastes 115, ele- 

 gans 119.20, geminata 118. 21, labyrinthiformis 119. 20. 1. 2, 11- 

 mosall4. 5. 6, lucida 113. 4. 6. 22 , nigra 114. 6, Okeni 117. 22, 

 Penicillus 114, punctata 121. 2, subulata 112, terebriformis 117, va- 

 ginata 115. 



Ostr3'a vulgaris 440. 5. 66. 



Os5Tis alba 474. 



Outea multijuga 4l4. 



Oxalis Acetosella 451. 



Oxj-ria digyna 305. 



Paeonia corallina437, rosea 436. 53. 66, pubens 436. 



Paliurus vulgaris 467. 



Pandanus odoratissimus 491. 611. 



Parmelia aipolia 476, caperata 476, haematonima 163, olivacea 476, 



parietina 476 , tiliacea 476. 

 Passerina annua 435. 



Pastinaca graveolens 320, Opopanax 582, rectistjla 320. 1. 5, 

 Pavonia lauceolata 356, mexicana 356, Poeppigii 357. 70, rosea 355, 



Spinifex oblongifolia 355, Typhalea 355, Typhaleoides 355. 

 Pedicularis foliosa 456. 

 Peltidea cauina 476. 

 Peltogjiie 410, discolor 410. 

 Pentapetes ovata 376. 

 Perittiura 408 , ferrugineum 408. 

 Pertusaria communis 601. 

 Petasites vulgaris 444. 

 Phalaris minor 435. 



Phascum flexuosura 280, subulatum 279. 80. 

 Phillyrea latifolia 581 , media 446. 67. 

 Phoenix dactylifera 582. 



46* 



